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frame_y
2006 Sep 22
3
extract data from lm object and then use again?
...write a general function so that it would take an lm object,
extract its data element, then use the data at another R function (eg, glm).
I searched R-help list, and found this would do the trick of the first part:
a.lm$call$data
this would return a name object but could not be recognized as a
data.frameby glm. I also tried
call(as.character(a.lm$call$data))
or
eval(call(as.character(a.lm$call$data)))
neither works.
By eval(call(...)), it acts as evaluating of a function, but what I want is
just a data frame object which could be inserted into glm function. Anyone
could help? Thanks,
Mike
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